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[/] [or1k_old/] [trunk/] [linux/] [uClibc/] [libm/] [w_j1.c] - Rev 1325
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/* @(#)w_j1.c 5.1 93/09/24 */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ #if defined(LIBM_SCCS) && !defined(lint) static char rcsid[] = "$NetBSD: w_j1.c,v 1.6 1995/05/10 20:49:15 jtc Exp $"; #endif /* * wrapper of j1,y1 */ #include "math.h" #include "math_private.h" #ifdef __STDC__ double j1(double x) /* wrapper j1 */ #else double j1(x) /* wrapper j1 */ double x; #endif { #ifdef _IEEE_LIBM return __ieee754_j1(x); #else double z; z = __ieee754_j1(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(fabs(x)>X_TLOSS) { return __kernel_standard(x,x,36); /* j1(|x|>X_TLOSS) */ } else return z; #endif } #ifdef __STDC__ double y1(double x) /* wrapper y1 */ #else double y1(x) /* wrapper y1 */ double x; #endif { #ifdef _IEEE_LIBM return __ieee754_y1(x); #else double z; z = __ieee754_y1(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(x <= 0.0){ if(x==0.0) /* d= -one/(x-x); */ return __kernel_standard(x,x,10); else /* d = zero/(x-x); */ return __kernel_standard(x,x,11); } if(x>X_TLOSS) { return __kernel_standard(x,x,37); /* y1(x>X_TLOSS) */ } else return z; #endif }
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